diff --git a/index.bs b/index.bs
index 6a3dd448..7102a82c 100644
--- a/index.bs
+++ b/index.bs
@@ -7,9 +7,9 @@ Editor: Felicia Lim, Google, flim@google.com
 Repository: AOMediaCodec/iamf
 Shortname: iamf
 URL: https://aomediacodec.github.io/iamf/
-!Previously approved version: https://aomediacodec.github.io/iamf/v1.0.0.html
-!Latest approved version: https://aomediacodec.github.io/iamf/latest-approved.html
-!Latest draft version: https://aomediacodec.github.io/iamf/latest-draft.html
+!Previously approved version: <a href="https://aomediacodec.github.io/iamf/v1.0.0.html">https://aomediacodec.github.io/iamf/v1.0.0.html</a>
+!Latest approved version: <a href="https://aomediacodec.github.io/iamf/latest-approved.html">https://aomediacodec.github.io/iamf/latest-approved.html</a>
+!Latest draft version: <a href="https://aomediacodec.github.io/iamf/latest-draft.html">https://aomediacodec.github.io/iamf/latest-draft.html</a>
 Date: 2023-11-06
 !Reference Implementation: <a href="https://github.com/AOMediaCodec/libiamf/releases/tag/v1.0.0/">libiamf v1.0.0</a>
 Abstract: This document specifies the Immersive Audio (IA) model, the standalone IA Sequence format, and the [[!ISO-BMFF]]-based IA container format.